1 3EZ N,N'-bis[3-(1,4,5,6-tetrahydropyrimidin-2-yl)phenyl]biphenyl-4,4'-dicarboxamide 1.000 2 3F2 N,N'-bis[3-(4,5-dihydro-1h-imidazol-2-yl)phenyl]biphenyl-4,4'-dicarboxamide 0.864